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PBS Unit 2.1 Vocab
for vocabulary
| Term | Definition |
|---|---|
| ATP (adenosine triphosphate) | Energy -carrying molecule found in the cells of all living things. |
| Biomolecules | A molecule that is produced by a living organism. |
| Blood pressure | The force of your blood pushing against the walls of your arteries. |
| Cancer | A disease caused by an uncontrolled division of abnormal cells in a part of the body. |
| Chemical reaction | A process that involves rearrangement of the molecular or iconic structure of a substance, as opposed to a change in physical form or a nuclear reaction. |
| Cholesterol | A waxy, fat-like substance that your body needs for good health, but in the right amounts. |
| Demeanor | Your outward behavior. |
| Diagnosis | The identification of nature of an illness or other problem by examination of the symptoms. |
| Diastole | The phase of the heartbeat when the heart muscle relaxes and allows the chambers to fill with blood. |
| Diastolic pressure | The pressure in the arteries when the heart rests between beats. |
| Empathy | The ability to understand and share the feelings of another. |
| Erythrocytes | A red blood cell that is typically a biconcave disc without a nucleus. |
| Glucagon | A hormone formed in the pancreas which promotes the breakdown of glycogen to glucose in the liver. |
| HDL | High-density lipoprotein. |
| Heart rate | The number of times your heart beats per minute. |
| HIPPA | National standards to protect sensitive patient health information. |
| Homeostasis | Any process that living things use to actively maintain fairly stable conditions necessary for survival. |
| Hormones | Chemical substances that act like messenger molecules in the body. |
| Hypertension | When the pressure in your blood vessels is too high. |
| Insulin | A hormone that lowers the level of glucose in the blood. |
| LDL | A low density lipoprotein. |
| Leukocytes | White blood cells that are responsible for protecting your body from infection. |
| Medical history | Includes an inquiry into the patient's medical history. |
| Metabolism | The chemical reactions in the body's cells that change into energy. |
| Negative feedback loop | A normal biological response in which the effects of a reaction slow or stop that reaction. |
| Plasma | Superheated matter that is so hot that the electrons are ripped away from the atoms forming an ionized gas. |
| Positive feedback loop | When the product of a reaction leads to an increase in that reaction. |
| Pulse | The regular movement of blood through your body that is caused by the beating of your heart and that can be felt by touching certain parts of your body. |
| Respiratory rate | The number of breaths a person takes per minute. |
| Risk factor | Characteristics at the biological, psychological, family, community, or cultural level that precede and are associated with a higher likelihood of negative outcomes. |
| Sphygmomanometer | An instrument for measuring blood pressure and especially arterial blood pressure. |
| Symptoms | Subjective evidence of disease or physical disturbance. |
| Systole | When the heart muscle contracts. |
| Systolic pressure | Indicates how much pressure your blood is exerting against your artery walls. |
| Thrombocytes | Small, colorless cell fragments in our blood that form clots and stop or prevent bleeding. |
| Triage | The preliminary assessment of patients or casualties in order to determine the urgency of their need for treatment and the nature of treatment required. |
| Vital signs | Measurements of the body's most basic functions. |
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